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51464804705677 = 1137933713542803
BaseRepresentation
bin10111011001110100101010…
…11001110010010110001101
320202012222122201122012111001
423230322111121302112031
523221144410001040202
6301242334353500301
713561131560115136
oct1354722531622615
9222188581565431
1051464804705677
1115442112631980
125932282b71691
13229415831842c
14c9cca484cc8d
155e3ab724dd87
hex2ece9567258d

51464804705677 has 16 divisors (see below), whose sum is σ = 57666992910912. Its totient is φ = 45516815809920.

The previous prime is 51464804705659. The next prime is 51464804705693. The reversal of 51464804705677 is 77650740846415.

It is a cyclic number.

It is not a de Polignac number, because 51464804705677 - 231 = 51462657222029 is a prime.

It is a super-2 number, since 2×514648047056772 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51464804705627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2971243 + ... + 10571560.

It is an arithmetic number, because the mean of its divisors is an integer number (3604187056932).

Almost surely, 251464804705677 is an apocalyptic number.

It is an amenable number.

51464804705677 is a deficient number, since it is larger than the sum of its proper divisors (6202188205235).

51464804705677 is a wasteful number, since it uses less digits than its factorization.

51464804705677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13552188.

The product of its (nonzero) digits is 158054400, while the sum is 64.

The spelling of 51464804705677 in words is "fifty-one trillion, four hundred sixty-four billion, eight hundred four million, seven hundred five thousand, six hundred seventy-seven".

Divisors: 1 11 37 407 9337 102707 345469 3800159 13542803 148970833 501083711 5511920821 126449151611 1390940667721 4678618609607 51464804705677