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31435407146 = 21113109914011
BaseRepresentation
bin11101010001101100…
…100011111100101010
310000010210021010210202
4131101230203330222
51003334431012041
622235145512202
72161666360223
oct352154437452
9100123233722
1031435407146
1112371516730
1261137a2662
132c6c88ca40
141742d3624a
15c3eb64a9b
hex751b23f2a

31435407146 has 16 divisors (see below), whose sum is σ = 55396662048. Its totient is φ = 13189681200.

The previous prime is 31435407137. The next prime is 31435407151. The reversal of 31435407146 is 64170453413.

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 7 ways as a sum of consecutive naturals, for example, 54956720 + ... + 54957291.

It is an arithmetic number, because the mean of its divisors is an integer number (3462291378).

Almost surely, 231435407146 is an apocalyptic number.

31435407146 is a deficient number, since it is larger than the sum of its proper divisors (23961254902).

31435407146 is a wasteful number, since it uses less digits than its factorization.

31435407146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109914037.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 31435407146 in words is "thirty-one billion, four hundred thirty-five million, four hundred seven thousand, one hundred forty-six".

Divisors: 1 2 11 13 22 26 143 286 109914011 219828022 1209054121 1428882143 2418108242 2857764286 15717703573 31435407146