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71472574956 = 223122313733547
BaseRepresentation
bin100001010010000011…
…0001111000111101100
320211111001020222221210
41002210012033013230
52132333434344311
652500053154420
75110104602046
oct1024406170754
9224431228853
1071472574956
1128347450472
1211a2802ba10
136980556993
14366041aa96
151cd4a3e3a6
hex10a418f1ec

71472574956 has 48 divisors (see below), whose sum is σ = 167074354944. Its totient is φ = 23780667456.

The previous prime is 71472574931. The next prime is 71472575011. The reversal of 71472574956 is 65947527417.

It is a junction number, because it is equal to n+sod(n) for n = 71472574896 and 71472574905.

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, 20148375 + ... + 20151921.

It is an arithmetic number, because the mean of its divisors is an integer number (3480715728).

Almost surely, 271472574956 is an apocalyptic number.

It is an amenable number.

71472574956 is an abundant number, since it is smaller than the sum of its proper divisors (95601779988).

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

71472574956 is a wasteful number, since it uses less digits than its factorization.

71472574956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150 (or 6148 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 57.

The spelling of 71472574956 in words is "seventy-one billion, four hundred seventy-two million, five hundred seventy-four thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 1223 1373 2446 2746 3547 3669 4119 4892 5492 7094 7338 8238 10641 14188 14676 16476 21282 42564 1679179 3358358 4337981 4870031 5037537 6716716 8675962 9740062 10075074 13013943 14610093 17351924 19480124 20150148 26027886 29220186 52055772 58440372 5956047913 11912095826 17868143739 23824191652 35736287478 71472574956