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71414020655 = 579751240739
BaseRepresentation
bin100001010000010011…
…0110111101000101111
320211022222002010112222
41002200212313220233
52132223442130110
652450202145555
75105464105565
oct1024046675057
9224288063488
1071414020655
112831739778a
1211a104b22bb
136971394a73
143656737a35
151cce824c55
hex10a09b7a2f

71414020655 has 16 divisors (see below), whose sum is σ = 86897510400. Its totient is φ = 56332692000.

The previous prime is 71414020633. The next prime is 71414020663. The reversal of 71414020655 is 55602041417.

It is a de Polignac number, because none of the positive numbers 2k-71414020655 is a prime.

It is a super-2 number, since 2×714140206552 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176276 + ... + 417014.

It is an arithmetic number, because the mean of its divisors is an integer number (5431094400).

Almost surely, 271414020655 is an apocalyptic number.

71414020655 is a deficient number, since it is larger than the sum of its proper divisors (15483489745).

71414020655 is a wasteful number, since it uses less digits than its factorization.

71414020655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241574.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 71414020655 in words is "seventy-one billion, four hundred fourteen million, twenty thousand, six hundred fifty-five".

Divisors: 1 5 79 395 751 3755 59329 240739 296645 1203695 19018381 95091905 180794989 903974945 14282804131 71414020655