Search a number
-
+
22012019974 = 2719767711789
BaseRepresentation
bin10100100000000001…
…001100010100000110
32002211001111110210001
4110200001030110012
5330040034114344
614040121551514
71406323040230
oct244001142406
962731443701
1022012019974
11937623644a
12432394559a
1320ca4a00b9
1410cb5cd250
1588c704ed4
hex52004c506

22012019974 has 32 divisors (see below), whose sum is σ = 37985682240. Its totient is φ = 9371177088.

The previous prime is 22012019923. The next prime is 22012019989. The reversal of 22012019974 is 47991021022.

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, 1861272 + ... + 1873060.

It is an arithmetic number, because the mean of its divisors is an integer number (1187052570).

Almost surely, 222012019974 is an apocalyptic number.

22012019974 is a deficient number, since it is larger than the sum of its proper divisors (15973662266).

22012019974 is a wasteful number, since it uses less digits than its factorization.

22012019974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 22012019974 in words is "twenty-two billion, twelve million, nineteen thousand, nine hundred seventy-four".

Divisors: 1 2 7 14 197 394 677 1354 1379 2758 4739 9478 11789 23578 82523 133369 165046 266738 933583 1867166 2322433 4644866 7981153 15962306 16257031 32514062 55868071 111736142 1572287141 3144574282 11006009987 22012019974