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145210354351988 = 221913811383535523
BaseRepresentation
bin100001000001000101101011…
…100101101011111101110100
3201001010222022021011221011212
4201001011223211223331310
5123013111301203230423
61232500414343220552
742405046643401322
oct4101055345537564
9631128267157155
10145210354351988
11422a54024508a2
12143528a5a47758
13630437c02c313
1427c030bd98d12
1511bc3c41d8578
hex84116b96bf74

145210354351988 has 24 divisors (see below), whose sum is σ = 267686453183520. Its totient is φ = 68734044732960.

The previous prime is 145210354351903. The next prime is 145210354352047. The reversal of 145210354351988 is 889153453012541.

145210354351988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1452103543519882 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691662806 + ... + 691872717.

It is an arithmetic number, because the mean of its divisors is an integer number (11153602215980).

Almost surely, 2145210354351988 is an apocalyptic number.

It is an amenable number.

145210354351988 is a deficient number, since it is larger than the sum of its proper divisors (122476098831532).

145210354351988 is a wasteful number, since it uses less digits than its factorization.

145210354351988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383536927 (or 1383536925 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 59.

The spelling of 145210354351988 in words is "one hundred forty-five trillion, two hundred ten billion, three hundred fifty-four million, three hundred fifty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 19 38 76 1381 2762 5524 26239 52478 104956 1383535523 2767071046 5534142092 26287174937 52574349874 105148699748 1910662557263 3821325114526 7642650229052 36302588587997 72605177175994 145210354351988