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62990687929 = 1311534202461
BaseRepresentation
bin111010101010100010…
…011001111010111001
320000120221002111022211
4322222202121322321
52013001104003204
644534301015121
74356653004331
oct725242317271
9200527074284
1062990687929
1124794668184
121025b5544a1
135c2b231010
143097b540c1
15198a0a7804
hexeaa899eb9

62990687929 has 8 divisors (see below), whose sum is σ = 67894976072. Its totient is φ = 58094807040.

The previous prime is 62990687899. The next prime is 62990687951. The reversal of 62990687929 is 92978609926.

It can be written as a sum of positive squares in 4 ways, for example, as 377136400 + 62613551529 = 19420^2 + 250227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 62990687929 - 213 = 62990679737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62990687989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086242 + ... + 2116219.

It is an arithmetic number, because the mean of its divisors is an integer number (8486872009).

Almost surely, 262990687929 is an apocalyptic number.

It is an amenable number.

62990687929 is a deficient number, since it is larger than the sum of its proper divisors (4904288143).

62990687929 is a wasteful number, since it uses less digits than its factorization.

62990687929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203627.

The product of its (nonzero) digits is 52907904, while the sum is 67.

The spelling of 62990687929 in words is "sixty-two billion, nine hundred ninety million, six hundred eighty-seven thousand, nine hundred twenty-nine".

Divisors: 1 13 1153 14989 4202461 54631993 4845437533 62990687929