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2147995044 = 2233131937927
BaseRepresentation
bin1000000000000111…
…1100110110100100
312112200211110021000
42000001330312210
513344341320134
6553050553300
7104141441136
oct20001746644
95480743230
102147995044
11a0253a518
124bb438830
132830237b0
141653c1056
15c8897e99
hex8007cda4

2147995044 has 96 divisors (see below), whose sum is σ = 6029085440. Its totient is φ = 657414144.

The previous prime is 2147995027. The next prime is 2147995103. The reversal of 2147995044 is 4405997412.

It is a super-2 number, since 2×21479950442 = 9227765418097123872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267009 + ... + 274935.

Almost surely, 22147995044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147995044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3014542720).

2147995044 is an abundant number, since it is smaller than the sum of its proper divisors (3881090396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2147995044 is a wasteful number, since it uses less digits than its factorization.

2147995044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146 (or 8138 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2147995044 is about 46346.4674381986. The cubic root of 2147995044 is about 1290.2615586451.

The spelling of 2147995044 in words is "two billion, one hundred forty-seven million, nine hundred ninety-five thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 193 234 351 386 468 579 702 772 1158 1404 1737 2316 2509 3474 5018 5211 6948 7527 7927 10036 10422 15054 15854 20844 22581 23781 30108 31708 45162 47562 67743 71343 90324 95124 103051 135486 142686 206102 214029 270972 285372 309153 412204 428058 618306 856116 927459 1236612 1529911 1854918 2782377 3059822 3709836 4589733 5564754 6119644 9179466 11129508 13769199 18358932 19888843 27538398 39777686 41307597 55076796 59666529 79555372 82615194 119333058 165230388 178999587 238666116 357999174 536998761 715998348 1073997522 2147995044