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1949329329492 = 2231049496731177
BaseRepresentation
bin11100010111011101000…
…101010000110101010100
320220100120010001002100210
4130113131011100311110
5223414211302020432
64051302020405420
7260556124624506
oct34273505206524
96810503032323
101949329329492
11691784651096
12275962546870
13111a89883cbc
146a4c305bd76
1535a8e80a8cc
hex1c5dd150d54

1949329329492 has 48 divisors (see below), whose sum is σ = 4553833737600. Its totient is φ = 649005507072.

The previous prime is 1949329329487. The next prime is 1949329329511. The reversal of 1949329329492 is 2949239239491.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

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, 62509008 + ... + 62540184.

It is an arithmetic number, because the mean of its divisors is an integer number (94871536200).

Almost surely, 21949329329492 is an apocalyptic number.

1949329329492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1949329329492 is an abundant number, since it is smaller than the sum of its proper divisors (2604504408108).

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

1949329329492 is a wasteful number, since it uses less digits than its factorization.

1949329329492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37200 (or 37198 counting only the distinct ones).

The product of its digits is 68024448, while the sum is 66.

Subtracting 1949329329492 from its reverse (2949239239491), we obtain a palindrome (999909909999).

The spelling of 1949329329492 in words is "one trillion, nine hundred forty-nine billion, three hundred twenty-nine million, three hundred twenty-nine thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 1049 2098 3147 4196 4967 6294 9934 12588 14901 19868 29802 31177 59604 62354 93531 124708 187062 374124 5210383 10420766 15631149 20841532 31262298 32704673 62524596 65409346 98114019 130818692 154856159 196228038 309712318 392456076 464568477 619424636 929136954 1858273908 162444110791 324888221582 487332332373 649776443164 974664664746 1949329329492