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7270421616 = 2432491102829
BaseRepresentation
bin1101100010101100…
…11101010001110000
3200202200120200111200
412301112131101300
5104342211442431
63201234211200
7345111364323
oct66126352160
920680520450
107270421616
1130a0a66407
1214aaa23b00
138bb348933
144cd8307ba
152c8433ee6
hex1b159d470

7270421616 has 60 divisors (see below), whose sum is σ = 20388721080. Its totient is φ = 2418514560.

The previous prime is 7270421593. The next prime is 7270421621. The reversal of 7270421616 is 6161240727.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19290 + ... + 122118.

It is an arithmetic number, because the mean of its divisors is an integer number (339812018).

Almost surely, 27270421616 is an apocalyptic number.

It is an amenable number.

7270421616 is an abundant number, since it is smaller than the sum of its proper divisors (13118299464).

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

7270421616 is a wasteful number, since it uses less digits than its factorization.

7270421616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103334 (or 103325 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 7270421616 is about 85266.7673598571. The cubic root of 7270421616 is about 1937.2538479156.

The spelling of 7270421616 in words is "seven billion, two hundred seventy million, four hundred twenty-one thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 491 982 1473 1964 2946 3928 4419 5892 7856 8838 11784 17676 23568 35352 70704 102829 205658 308487 411316 616974 822632 925461 1233948 1645264 1850922 2467896 3701844 4935792 7403688 14807376 50489039 100978078 151467117 201956156 302934234 403912312 454401351 605868468 807824624 908802702 1211736936 1817605404 2423473872 3635210808 7270421616