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889142952148 = 221153381279139
BaseRepresentation
bin11001111000001010000…
…11001100000011010100
310011000000220022220110221
430330011003030003110
5104031431043432043
61520244443124124
7121144535251543
oct14740503140324
93130026286427
10889142952148
113130a1020080
121243a4213644
1365acc363739
143106b4c815a
15181de2c88ed
hexcf050cc0d4

889142952148 has 24 divisors (see below), whose sum is σ = 1729482179040. Its totient is φ = 396530303520.

The previous prime is 889142952133. The next prime is 889142952179. The reversal of 889142952148 is 841259241988.

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, 190637238 + ... + 190641901.

It is an arithmetic number, because the mean of its divisors is an integer number (72061757460).

Almost surely, 2889142952148 is an apocalyptic number.

It is an amenable number.

889142952148 is a deficient number, since it is larger than the sum of its proper divisors (840339226892).

889142952148 is a wasteful number, since it uses less digits than its factorization.

889142952148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381279207 (or 381279205 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 61.

The spelling of 889142952148 in words is "eight hundred eighty-nine billion, one hundred forty-two million, nine hundred fifty-two thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 53 106 212 583 1166 2332 381279139 762558278 1525116556 4194070529 8388141058 16776282116 20207794367 40415588734 80831177468 222285738037 444571476074 889142952148