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151968300793 = 509481761981
BaseRepresentation
bin1000110110001000000…
…1000011111011111001
3112112020221011112221221
42031202001003323321
54442212341111133
6153451400032041
713656626146351
oct2154201037371
9475227145857
10151968300793
11594a4164721
1225551a62621
131143b2a829a
1474d8d57b61
153e467cea2d
hex2362043ef9

151968300793 has 8 divisors (see below), whose sum is σ = 152300930760. Its totient is φ = 151635805440.

The previous prime is 151968300773. The next prime is 151968300817. The reversal of 151968300793 is 397003869151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19557463104 + 132410837689 = 139848^2 + 363883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151968300793 - 237 = 14529347321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151968300793.

It is not an unprimeable number, because it can be changed into a prime (151968300763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2420863 + ... + 2482843.

It is an arithmetic number, because the mean of its divisors is an integer number (19037616345).

Almost surely, 2151968300793 is an apocalyptic number.

It is an amenable number.

151968300793 is a deficient number, since it is larger than the sum of its proper divisors (332629967).

151968300793 is an equidigital number, since it uses as much as digits as its factorization.

151968300793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67307.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 151968300793 in words is "one hundred fifty-one billion, nine hundred sixty-eight million, three hundred thousand, seven hundred ninety-three".

Divisors: 1 509 4817 61981 2451853 31548329 298562477 151968300793