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42730153440 = 2535136847781
BaseRepresentation
bin100111110010111010…
…100110010111100000
311002021221022200221120
4213302322212113200
51200002404402230
631344023252240
73041615211552
oct476272462740
9132257280846
1042730153440
111713806a7a7
1283462aa080
13404c895a80
1420d500d4d2
1511a1526310
hex9f2ea65e0

42730153440 has 96 divisors (see below), whose sum is σ = 144953849376. Its totient is φ = 10518190080.

The previous prime is 42730153421. The next prime is 42730153469. The reversal of 42730153440 is 4435103724.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3417651 + ... + 3430130.

It is an arithmetic number, because the mean of its divisors is an integer number (1509935931).

Almost surely, 242730153440 is an apocalyptic number.

42730153440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42730153440 is an abundant number, since it is smaller than the sum of its proper divisors (102223695936).

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

42730153440 is a wasteful number, since it uses less digits than its factorization.

42730153440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847812 (or 6847804 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 42730153440 in words is "forty-two billion, seven hundred thirty million, one hundred fifty-three thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 195 208 240 260 312 390 416 480 520 624 780 1040 1248 1560 2080 3120 6240 6847781 13695562 20543343 27391124 34238905 41086686 54782248 68477810 82173372 89021153 102716715 109564496 136955620 164346744 178042306 205433430 219128992 267063459 273911240 328693488 356084612 410866860 445105765 534126918 547822480 657386976 712169224 821733720 890211530 1068253836 1095644960 1335317295 1424338448 1643467440 1780423060 2136507672 2670634590 2848676896 3286934880 3560846120 4273015344 5341269180 7121692240 8546030688 10682538360 14243384480 21365076720 42730153440