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51203101134630 = 2357323380411477
BaseRepresentation
bin10111010010001101001101…
…01001111000111100100110
320201021222011011012100002110
423221012212221320330212
523202402422342302010
6300522214022021450
713533205402346034
oct1351064651707446
9221258134170073
1051203101134630
1115351127801565
1258ab606b77886
13227557c642293
14c90359943554
155dbd9bc1a120
hex2e91a6a78f26

51203101134630 has 32 divisors (see below), whose sum is σ = 124570832354784. Its totient is φ = 13467117010176.

The previous prime is 51203101134583. The next prime is 51203101134641. The reversal of 51203101134630 is 3643110130215.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11690203549 + ... + 11690207928.

It is an arithmetic number, because the mean of its divisors is an integer number (3892838511087).

Almost surely, 251203101134630 is an apocalyptic number.

51203101134630 is an abundant number, since it is smaller than the sum of its proper divisors (73367731220154).

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

51203101134630 is a wasteful number, since it uses less digits than its factorization.

51203101134630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23380411560.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 51203101134630 its reverse (3643110130215), we get a palindrome (54846211264845).

The spelling of 51203101134630 in words is "fifty-one trillion, two hundred three billion, one hundred one million, one hundred thirty-four thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 23380411477 46760822954 70141234431 116902057385 140282468862 233804114770 350706172155 701412344310 1706770037821 3413540075642 5120310113463 8533850189105 10240620226926 17067700378210 25601550567315 51203101134630