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214857743890 = 25191130830231
BaseRepresentation
bin1100100000011010000…
…1001111111000010010
3202112120210202021111011
43020012201033320102
512010012040301030
6242412043041134
721344242455406
oct3100641177022
9675523667434
10214857743890
1183136660089
12357835101aa
131735154acca
14a583475106
1558c7a38b2a
hex320684fe12

214857743890 has 16 divisors (see below), whose sum is σ = 407098883520. Its totient is φ = 81419776560.

The previous prime is 214857743827. The next prime is 214857743899. The reversal of 214857743890 is 98347758412.

It is not an unprimeable number, because it can be changed into a prime (214857743899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565414926 + ... + 565415305.

It is an arithmetic number, because the mean of its divisors is an integer number (25443680220).

Almost surely, 2214857743890 is an apocalyptic number.

214857743890 is a deficient number, since it is larger than the sum of its proper divisors (192241139630).

214857743890 is a wasteful number, since it uses less digits than its factorization.

214857743890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130830257.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 214857743890 in words is "two hundred fourteen billion, eight hundred fifty-seven million, seven hundred forty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 1130830231 2261660462 5654151155 11308302310 21485774389 42971548778 107428871945 214857743890