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193788000151 = 1921148338239
BaseRepresentation
bin1011010001111010101…
…0100011011110010111
3200112012102022101200221
42310132222203132113
511133334212001101
6225005221215211
720000150552164
oct2643652433627
9615172271627
10193788000151
1175204301829
1231683261507
1315374357215
14954508906b
155092e11aa1
hex2d1eaa3797

193788000151 has 8 divisors (see below), whose sum is σ = 204954137600. Its totient is φ = 182718539640.

The previous prime is 193788000139. The next prime is 193788000173. The reversal of 193788000151 is 151000887391.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-193788000151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193788000098 and 193788000107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193788000101) 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, 24165111 + ... + 24173128.

It is an arithmetic number, because the mean of its divisors is an integer number (25619267200).

Almost surely, 2193788000151 is an apocalyptic number.

193788000151 is the 196870-th centered decagonal number.

193788000151 is a deficient number, since it is larger than the sum of its proper divisors (11166137449).

193788000151 is a wasteful number, since it uses less digits than its factorization.

193788000151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48338469.

The product of its (nonzero) digits is 60480, while the sum is 43.

The spelling of 193788000151 in words is "one hundred ninety-three billion, seven hundred eighty-eight million, one hundred fifty-one", and thus it is an aban number.

Divisors: 1 19 211 4009 48338239 918426541 10199368429 193788000151