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1668000152 = 2371317134777
BaseRepresentation
bin110001101101011…
…1010100110011000
311022020122012001102
41203122322212120
511404002001102
6433303010532
756222524130
oct14332724630
94266565042
101668000152
117865a7225
123a6739a48
13207754250
1411b755ac0
159b682402
hex636ba998

1668000152 has 64 divisors (see below), whose sum is σ = 4075686720. Its totient is φ = 621047808.

The previous prime is 1668000127. The next prime is 1668000179. The reversal of 1668000152 is 2510008661.

It is a happy number.

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, 55013 + ... + 79764.

It is an arithmetic number, because the mean of its divisors is an integer number (63682605).

Almost surely, 21668000152 is an apocalyptic number.

It is an amenable number.

1668000152 is an abundant number, since it is smaller than the sum of its proper divisors (2407686568).

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

1668000152 is a wasteful number, since it uses less digits than its factorization.

1668000152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134820 (or 134816 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1668000152 is about 40841.1575741922. The cubic root of 1668000152 is about 1185.9472215403.

The spelling of 1668000152 in words is "one billion, six hundred sixty-eight million, one hundred fifty-two", and thus it is an aban number.

Divisors: 1 2 4 7 8 13 14 17 26 28 34 52 56 68 91 104 119 136 182 221 238 364 442 476 728 884 952 1547 1768 3094 6188 12376 134777 269554 539108 943439 1078216 1752101 1886878 2291209 3504202 3773756 4582418 7008404 7547512 9164836 12264707 14016808 16038463 18329672 24529414 29785717 32076926 49058828 59571434 64153852 98117656 119142868 128307704 208500019 238285736 417000038 834000076 1668000152