Search a number
-
+
68722503416 = 23719598110799
BaseRepresentation
bin100000000000000101…
…1100010111011111000
320120101101111220000022
41000000023202323320
52111220430102131
651323133430012
74652002432550
oct1000013427370
9216341456008
1068722503416
1127166074a76
121139b03b308
13663288b408
14347d0b2160
151bc33b837b
hex10002e2ef8

68722503416 has 64 divisors (see below), whose sum is σ = 155053440000. Its totient is φ = 27895121280.

The previous prime is 68722503401. The next prime is 68722503431. The reversal of 68722503416 is 61430522786.

It is an interprime number because it is at equal distance from previous prime (68722503401) and next prime (68722503431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6358385 + ... + 6369183.

It is an arithmetic number, because the mean of its divisors is an integer number (2422710000).

Almost surely, 268722503416 is an apocalyptic number.

It is an amenable number.

68722503416 is an abundant number, since it is smaller than the sum of its proper divisors (86330936584).

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

68722503416 is a wasteful number, since it uses less digits than its factorization.

68722503416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16812 (or 16808 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 68722503416 in words is "sixty-eight billion, seven hundred twenty-two million, five hundred three thousand, four hundred sixteen".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 5981 10799 11962 21598 23924 41867 43196 47848 75593 83734 86392 113639 151186 167468 205181 227278 302372 334936 410362 454556 604744 795473 820724 909112 1436267 1590946 1641448 2872534 3181892 5745068 6363784 11490136 64588819 129177638 258355276 452121733 516710552 904243466 1227187561 1808486932 2454375122 3616973864 4908750244 8590312927 9817500488 17180625854 34361251708 68722503416