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47407397977361 = 232275413253949
BaseRepresentation
bin10101100011101111001010…
…00111011011110100010001
320012212002210002001112210002
422301313211013123310101
522203210322340233421
6244454354042215345
712662033342013122
oct1261674507336421
9205762702045702
1047407397977361
1114118401282694
125397a557b4555
13205b66311b106
14b9c75d22a049
15573296542b0b
hex2b1de51dbd11

47407397977361 has 12 divisors (see below), whose sum is σ = 49560020867700. Its totient is φ = 45344546327520.

The previous prime is 47407397977351. The next prime is 47407397977483. The reversal of 47407397977361 is 16377979370474.

It can be written as a sum of positive squares in 2 ways, for example, as 9432914403025 + 37974483574336 = 3071305^2 + 6162344^2 .

It is not a de Polignac number, because 47407397977361 - 230 = 47406324235537 is a prime.

It is a super-2 number, since 2×474073979773612 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47407397977321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12942215 + ... + 16196163.

It is an arithmetic number, because the mean of its divisors is an integer number (4130001738975).

Almost surely, 247407397977361 is an apocalyptic number.

It is an amenable number.

47407397977361 is a deficient number, since it is larger than the sum of its proper divisors (2152622890339).

47407397977361 is a wasteful number, since it uses less digits than its factorization.

47407397977361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281536 (or 3281513 counting only the distinct ones).

The product of its (nonzero) digits is 1176221088, while the sum is 74.

The spelling of 47407397977361 in words is "forty-seven trillion, four hundred seven billion, three hundred ninety-seven million, nine hundred seventy-seven thousand, three hundred sixty-one".

Divisors: 1 23 529 27541 633443 3253949 14569189 74840827 1721339021 89617009409 2061191216407 47407397977361