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190146031446 = 2372646755209
BaseRepresentation
bin1011000100010110010…
…1100010111101010110
3200011210121022012212010
42301011211202331112
511103404341001241
6223204001205050
716510665412500
oct2610545427526
9604717265763
10190146031446
1173705528838
1230a27630786
1314c13971457
1492bb4d2d70
154e2d30ed16
hex2c45962f56

190146031446 has 24 divisors (see below), whose sum is σ = 442380563640. Its totient is φ = 54327437472.

The previous prime is 190146031417. The next prime is 190146031529. The reversal of 190146031446 is 644130641091.

190146031446 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 323377311 + ... + 323377898.

It is an arithmetic number, because the mean of its divisors is an integer number (18432523485).

Almost surely, 2190146031446 is an apocalyptic number.

190146031446 is an abundant number, since it is smaller than the sum of its proper divisors (252234532194).

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

190146031446 is a wasteful number, since it uses less digits than its factorization.

190146031446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646755228 (or 646755221 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 190146031446 in words is "one hundred ninety billion, one hundred forty-six million, thirty-one thousand, four hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 646755209 1293510418 1940265627 3880531254 4527286463 9054572926 13581859389 27163718778 31691005241 63382010482 95073015723 190146031446