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106144004640 = 25351911638597
BaseRepresentation
bin110001011011010101…
…1001111101000100000
3101010222100200010011010
41202312223033220200
53214340331122030
6120432322220520
710445230103322
oct1426653175040
9333870603133
10106144004640
1141019583793
12186a34b4740
13a01768854b
1451cd037612
152b6381a6b0
hex18b6acfa20

106144004640 has 96 divisors (see below), whose sum is σ = 351951203520. Its totient is φ = 26815325184.

The previous prime is 106144004627. The next prime is 106144004689. The reversal of 106144004640 is 46400441601.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1061440046402 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 106144004598 and 106144004607.

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, 5810179 + ... + 5828418.

It is an arithmetic number, because the mean of its divisors is an integer number (3666158370).

Almost surely, 2106144004640 is an apocalyptic number.

106144004640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106144004640 is an abundant number, since it is smaller than the sum of its proper divisors (245807198880).

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

106144004640 is a wasteful number, since it uses less digits than its factorization.

106144004640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11638634 (or 11638626 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 106144004640 in words is "one hundred six billion, one hundred forty-four million, four thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 76 80 95 96 114 120 152 160 190 228 240 285 304 380 456 480 570 608 760 912 1140 1520 1824 2280 3040 4560 9120 11638597 23277194 34915791 46554388 58192985 69831582 93108776 116385970 139663164 174578955 186217552 221133343 232771940 279326328 349157910 372435104 442266686 465543880 558652656 663400029 698315820 884533372 931087760 1105666715 1117305312 1326800058 1396631640 1769066744 1862175520 2211333430 2653600116 2793263280 3317000145 3538133488 4422666860 5307200232 5586526560 6634000290 7076266976 8845333720 10614400464 13268000580 17690667440 21228800928 26536001160 35381334880 53072002320 106144004640