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72741043514896 = 2421322092
BaseRepresentation
bin10000100010100001011000…
…000011110010111000010000
3100112112222100101120121022221
4100202201120003302320100
534013242124114434041
6414412435110510424
721215236604053651
oct2042413003627020
9315488311517287
1072741043514896
11211a5337788849
1281a9850365414
1331785b2a220a3
1413d6984621528
15862264e8c2d1
hex4228580f2e10

72741043514896 has 15 divisors (see below), whose sum is σ = 140935837908621. Its totient is φ = 36370504699776.

The previous prime is 72741043514879. The next prime is 72741043514917. The reversal of 72741043514896 is 69841534014727.

It is a happy number.

The square root of 72741043514896 is 8528836.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 60600557652496 + 12140485862400 = 7784636^2 + 3484320^2 .

It is a super-3 number, since 3×727410435148963 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33049240 + ... + 35181448.

It is a 1-persistent number, because it is pandigital, but 2⋅72741043514896 = 145482087029792 is not.

Almost surely, 272741043514896 is an apocalyptic number.

72741043514896 is the 8528836-th square number.

It is an amenable number.

72741043514896 is a deficient number, since it is larger than the sum of its proper divisors (68194794393725).

72741043514896 is an frugal number, since it uses more digits than its factorization.

72741043514896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264426 (or 2132211 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 72741043514896 in words is "seventy-two trillion, seven hundred forty-one billion, forty-three million, five hundred fourteen thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 2132209 4264418 8528836 17057672 34115344 4546315219681 9092630439362 18185260878724 36370521757448 72741043514896