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2019007708412 = 2223251643135977
BaseRepresentation
bin11101011000010110001…
…111001011110011111100
321011000102010012111001112
4131120112033023303330
5231034411433132122
64143304102101152
7265603615234412
oct35302617136374
97130363174045
102019007708412
11709290241512
1228736971a7b8
131185124a0606
146da130732b2
15377bba8b2e2
hex1d6163cbcfc

2019007708412 has 48 divisors (see below), whose sum is σ = 3707356407552. Its totient is φ = 960262512000.

The previous prime is 2019007708363. The next prime is 2019007708433. The reversal of 2019007708412 is 2148077009102.

It is a self number, because there is not a number n which added to its sum of digits gives 2019007708412.

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, 14780168 + ... + 14916144.

It is an arithmetic number, because the mean of its divisors is an integer number (77236591824).

Almost surely, 22019007708412 is an apocalyptic number.

It is an amenable number.

2019007708412 is a deficient number, since it is larger than the sum of its proper divisors (1688348699140).

2019007708412 is a wasteful number, since it uses less digits than its factorization.

2019007708412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136898 (or 136896 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 2019007708412 in words is "two trillion, nineteen billion, seven million, seven hundred eight thousand, four hundred twelve".

Divisors: 1 2 4 23 46 92 251 502 643 1004 1286 2572 5773 11546 14789 23092 29578 59156 135977 161393 271954 322786 543908 645572 3127471 3712039 6254942 7424078 12509884 14848156 34130227 68260454 87433211 136520908 174866422 349732844 784995221 1569990442 2010963853 3139980884 4021927706 8043855412 21945735961 43891471922 87782943844 504751927103 1009503854206 2019007708412