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107684545906 = 2721098821897
BaseRepresentation
bin110010001001001111…
…1111100010101110010
3101021221201110201111001
41210102133330111302
53231014220432111
6121245233312214
710531344352300
oct1442237742562
9337851421431
10107684545906
114173a134193
1218a5340566a
13a2018a3822
1452d7891270
152c03bc21c1
hex19127fc572

107684545906 has 12 divisors (see below), whose sum is σ = 187898544558. Its totient is φ = 46150519632.

The previous prime is 107684545873. The next prime is 107684545933. The reversal of 107684545906 is 609545486701.

It can be written as a sum of positive squares in only one way, i.e., 95663397025 + 12021148881 = 309295^2 + 109641^2 .

It is a super-2 number, since 2×1076845459062 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 549410851 + ... + 549411046.

Almost surely, 2107684545906 is an apocalyptic number.

107684545906 is a deficient number, since it is larger than the sum of its proper divisors (80213998652).

107684545906 is a wasteful number, since it uses less digits than its factorization.

107684545906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098821913 (or 1098821906 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

It can be divided in two parts, 1076845 and 45906, that added together give a triangular number (1122751 = T1498).

The spelling of 107684545906 in words is "one hundred seven billion, six hundred eighty-four million, five hundred forty-five thousand, nine hundred six".

Divisors: 1 2 7 14 49 98 1098821897 2197643794 7691753279 15383506558 53842272953 107684545906