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155030005415 = 5149941922093
BaseRepresentation
bin1001000001100010000…
…0100010011010100111
3112211011022022021010102
42100120200202122213
510020000140133130
6155115251014315
714125534206035
oct2203040423247
9484138267112
10155030005415
115a82543a71a
122606729a39b
13118086b561c
147709823555
1540754b1645
hex24188226a7

155030005415 has 16 divisors (see below), whose sum is σ = 187312932000. Its totient is φ = 123172973952.

The previous prime is 155030005399. The next prime is 155030005441. The reversal of 155030005415 is 514500030551.

It is a cyclic number.

It is not a de Polignac number, because 155030005415 - 24 = 155030005399 is a prime.

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, 7006109 + ... + 7028201.

It is an arithmetic number, because the mean of its divisors is an integer number (11707058250).

Almost surely, 2155030005415 is an apocalyptic number.

155030005415 is a deficient number, since it is larger than the sum of its proper divisors (32282926585).

155030005415 is a wasteful number, since it uses less digits than its factorization.

155030005415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31666.

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 155030005415 its reverse (514500030551), we get a palindrome (669530035966).

The spelling of 155030005415 in words is "one hundred fifty-five billion, thirty million, five thousand, four hundred fifteen".

Divisors: 1 5 149 745 9419 22093 47095 110465 1403431 3291857 7017155 16459285 208093967 1040469835 31006001083 155030005415