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400070400037 = 71123474806401
BaseRepresentation
bin1011101001001100000…
…11011101100000100101
31102020122121001001200121
411310212003131200211
523023321010300122
6503442333041541
740622055201640
oct5644603354045
91366577031617
10400070400037
1114473a346a50
12656529262b1
132b95a0b9c79
141551368aa57
15a617ba2bc7
hex5d260dd825

400070400037 has 32 divisors (see below), whose sum is σ = 531549609984. Its totient is φ = 291844608000.

The previous prime is 400070400029. The next prime is 400070400091. The reversal of 400070400037 is 730004070004.

It is a happy number.

It is not a de Polignac number, because 400070400037 - 23 = 400070400029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400070399984 and 400070400020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400070400097) 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, 2319964 + ... + 2486437.

It is an arithmetic number, because the mean of its divisors is an integer number (16610925312).

Almost surely, 2400070400037 is an apocalyptic number.

400070400037 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

400070400037 is a deficient number, since it is larger than the sum of its proper divisors (131479209947).

400070400037 is a wasteful number, since it uses less digits than its factorization.

400070400037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806489.

The product of its (nonzero) digits is 2352, while the sum is 25.

The spelling of 400070400037 in words is "four hundred billion, seventy million, four hundred thousand, thirty-seven".

Divisors: 1 7 11 23 47 77 161 253 329 517 1081 1771 3619 7567 11891 83237 4806401 33644807 52870411 110547223 225900847 370092877 773830561 1216019453 1581305929 2484909317 5195719481 8512136171 17394365219 36370036367 57152914291 400070400037