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31400046354 = 237173709029
BaseRepresentation
bin11101001111100101…
…101010111100010010
310000001022201121220210
4131033211222330102
51003301402440404
622231443544550
72161056663435
oct351745527422
9100038647823
1031400046354
1112353564636
12610398b156
132c6545b9b1
14173c36d81c
15c3b9cc689
hex74f96af12

31400046354 has 16 divisors (see below), whose sum is σ = 63684601920. Its totient is φ = 10319263920.

The previous prime is 31400046331. The next prime is 31400046373. The reversal of 31400046354 is 45364000413.

It is a super-2 number, since 2×314000463542 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36854089 + ... + 36854940.

It is an arithmetic number, because the mean of its divisors is an integer number (3980287620).

Almost surely, 231400046354 is an apocalyptic number.

31400046354 is an abundant number, since it is smaller than the sum of its proper divisors (32284555566).

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

31400046354 is a wasteful number, since it uses less digits than its factorization.

31400046354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73709105.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 31400046354 its reverse (45364000413), we get a palindrome (76764046767).

The spelling of 31400046354 in words is "thirty-one billion, four hundred million, forty-six thousand, three hundred fifty-four".

Divisors: 1 2 3 6 71 142 213 426 73709029 147418058 221127087 442254174 5233341059 10466682118 15700023177 31400046354