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8407468002457 = 17494556941321
BaseRepresentation
bin111101001011000010000…
…1001001100110010011001
31002202202010220022121022201
41322112010021030302121
52100221443302034312
625514200521250201
71525263615615166
oct172260411146231
932682126277281
108407468002457
112751650561397
12b39510033961
1348ca89499264
14210cd05c506d
15e8a6e2c0557
hex7a58424cc99

8407468002457 has 4 divisors (see below), whose sum is σ = 8902024943796. Its totient is φ = 7912911061120.

The previous prime is 8407468002419. The next prime is 8407468002481. The reversal of 8407468002457 is 7542008647048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3130436644416 + 5277031358041 = 1769304^2 + 2297179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8407468002457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8407468002398 and 8407468002407.

It is not an unprimeable number, because it can be changed into a prime (8407468002497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247278470644 + ... + 247278470677.

It is an arithmetic number, because the mean of its divisors is an integer number (2225506235949).

Almost surely, 28407468002457 is an apocalyptic number.

It is an amenable number.

8407468002457 is a deficient number, since it is larger than the sum of its proper divisors (494556941339).

8407468002457 is a wasteful number, since it uses less digits than its factorization.

8407468002457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494556941338.

The product of its (nonzero) digits is 12042240, while the sum is 55.

It can be divided in two parts, 8407 and 468002457, that added together give a palindrome (468010864).

The spelling of 8407468002457 in words is "eight trillion, four hundred seven billion, four hundred sixty-eight million, two thousand, four hundred fifty-seven".

Divisors: 1 17 494556941321 8407468002457