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401372292474 = 23323323166097
BaseRepresentation
bin1011101011100111010…
…01110010010101111010
31102101000022210001101000
411311303221302111322
523034002301324344
6504215441105430
740666244123466
oct5656351622572
91371008701330
10401372292474
1114524821700a
1265956928276
132bb06a3841a
14155d85414a6
15a692118a69
hex5d73a7257a

401372292474 has 32 divisors (see below), whose sum is σ = 930718362240. Its totient is φ = 127973774016.

The previous prime is 401372292421. The next prime is 401372292493. The reversal of 401372292474 is 474292273104.

401372292474 is a `hidden beast` number, since 40 + 1 + 37 + 22 + 92 + 474 = 666.

It is a super-2 number, since 2×4013722924742 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161581807 + ... + 161584290.

It is an arithmetic number, because the mean of its divisors is an integer number (29084948820).

Almost surely, 2401372292474 is an apocalyptic number.

401372292474 is an abundant number, since it is smaller than the sum of its proper divisors (529346069766).

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

401372292474 is a wasteful number, since it uses less digits than its factorization.

401372292474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323166131 (or 323166125 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 401372292474 in words is "four hundred one billion, three hundred seventy-two million, two hundred ninety-two thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 323166097 646332194 969498291 1938996582 2908494873 5816989746 7432820231 8725484619 14865640462 17450969238 22298460693 44596921386 66895382079 133790764158 200686146237 401372292474