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69928735044 = 22373746748179
BaseRepresentation
bin100000100100000010…
…0111101000101000100
320200111110020210201210
41001020010331011010
52121203224010134
652042543251420
75023620304050
oct1011004750504
9220443223653
1069928735044
1127724a47713
1211676ba9b70
13679575513c
143555384c60
151c442352e9
hex104813d144

69928735044 has 96 divisors (see below), whose sum is σ = 191930618880. Its totient is φ = 19397619072.

The previous prime is 69928734989. The next prime is 69928735049. The reversal of 69928735044 is 44053782996.

It is not an unprimeable number, because it can be changed into a prime (69928735049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1427347 + ... + 1475525.

It is an arithmetic number, because the mean of its divisors is an integer number (1999277280).

Almost surely, 269928735044 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 69928735044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95965309440).

69928735044 is an abundant number, since it is smaller than the sum of its proper divisors (122001883836).

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

69928735044 is a wasteful number, since it uses less digits than its factorization.

69928735044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48697 (or 48695 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 69928735044 in words is "sixty-nine billion, nine hundred twenty-eight million, seven hundred thirty-five thousand, forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 467 518 777 934 1036 1401 1554 1868 2802 3108 3269 5604 6538 9807 13076 17279 19614 34558 39228 48179 51837 69116 96358 103674 120953 144537 192716 207348 241906 289074 337253 362859 483812 578148 674506 725718 1011759 1349012 1451436 1782623 2023518 3565246 4047036 5347869 7130492 10695738 12478361 21391476 22499593 24956722 37435083 44999186 49913444 67498779 74870166 89998372 134997558 149740332 157497151 269995116 314994302 472491453 629988604 832484941 944982906 1664969882 1889965812 2497454823 3329939764 4994909646 5827394587 9989819292 11654789174 17482183761 23309578348 34964367522 69928735044