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86911752672 = 25327910337087
BaseRepresentation
bin101000011110001011…
…0000001100111100000
322022100000210111012200
41100330112001213200
52410443402041142
6103532100253200
76164516465013
oct1207426014740
9268300714180
1086911752672
113394a467178
1214a166a1200
1382710807b4
1442c6ac337a
1523da1a564c
hex143c5819e0

86911752672 has 144 divisors (see below), whose sum is σ = 252720599040. Its totient is φ = 28325396736.

The previous prime is 86911752667. The next prime is 86911752677. The reversal of 86911752672 is 27625711968.

It is an interprime number because it is at equal distance from previous prime (86911752667) and next prime (86911752677).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86911752677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2324913 + ... + 2361999.

It is an arithmetic number, because the mean of its divisors is an integer number (1755004160).

Almost surely, 286911752672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86911752672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126360299520).

86911752672 is an abundant number, since it is smaller than the sum of its proper divisors (165808846368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86911752672 is a wasteful number, since it uses less digits than its factorization.

86911752672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37285 (or 37274 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The spelling of 86911752672 in words is "eighty-six billion, nine hundred eleven million, seven hundred fifty-two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 79 96 103 144 158 206 237 288 309 316 412 474 618 632 711 824 927 948 1236 1264 1422 1648 1854 1896 2472 2528 2844 3296 3708 3792 4944 5688 7416 7584 8137 9888 11376 14832 16274 22752 24411 29664 32548 37087 48822 65096 73233 74174 97644 111261 130192 146466 148348 195288 222522 260384 292932 296696 333783 390576 445044 585864 593392 667566 781152 890088 1171728 1186784 1335132 1780176 2343456 2670264 2929873 3560352 3819961 5340528 5859746 7639922 8789619 10681056 11459883 11719492 15279844 17579238 22919766 23438984 26368857 30559688 34379649 35158476 45839532 46877968 52737714 61119376 68759298 70316952 91679064 93755936 105475428 122238752 137518596 140633904 183358128 210950856 275037192 281267808 301776919 366716256 421901712 550074384 603553838 843803424 905330757 1100148768 1207107676 1810661514 2414215352 2715992271 3621323028 4828430704 5431984542 7242646056 9656861408 10863969084 14485292112 21727938168 28970584224 43455876336 86911752672