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109851953428 = 22728191391729
BaseRepresentation
bin110011001001110101…
…1111100100100010100
3101111112202211102122201
41212103223330210110
53244434100002203
6122244300334244
710636143124540
oct1462353744424
9344482742581
10109851953428
1142651622578
1219359244384
13a488933199
145461686a20
152cce101e1d
hex1993afc914

109851953428 has 24 divisors (see below), whose sum is σ = 219782001600. Its totient is φ = 47062674048.

The previous prime is 109851953329. The next prime is 109851953429. The reversal of 109851953428 is 824359158901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109851953429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 616933 + ... + 774796.

It is an arithmetic number, because the mean of its divisors is an integer number (9157583400).

Almost surely, 2109851953428 is an apocalyptic number.

It is an amenable number.

109851953428 is an abundant number, since it is smaller than the sum of its proper divisors (109930048172).

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

109851953428 is a wasteful number, since it uses less digits than its factorization.

109851953428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394559 (or 1394557 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 109851953428 in words is "one hundred nine billion, eight hundred fifty-one million, nine hundred fifty-three thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 2819 5638 11276 19733 39466 78932 1391729 2783458 5566916 9742103 19484206 38968412 3923284051 7846568102 15693136204 27462988357 54925976714 109851953428