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157551044026069 is a prime number
BaseRepresentation
bin100011110100101010110110…
…000000110101111011010101
3202122211201210010222200012101
4203310222312000311323111
5131122304014232313234
61315025541143322101
745120454513023631
oct4364526600657325
9678751703880171
10157551044026069
1146223028007311
1215806545a50331
1369baccc465415
142ac9722ad3dc1
1513333e6ad2814
hex8f4ab6035ed5

157551044026069 has 2 divisors, whose sum is σ = 157551044026070. Its totient is φ = 157551044026068.

The previous prime is 157551044026049. The next prime is 157551044026109. The reversal of 157551044026069 is 960620440155751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154512681277969 + 3038362748100 = 12430313^2 + 1743090^2 .

It is a cyclic number.

It is not a de Polignac number, because 157551044026069 - 235 = 157516684287701 is a prime.

It is a super-2 number, since 2×1575510440260692 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157551044026049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78775522013034 + 78775522013035.

It is an arithmetic number, because the mean of its divisors is an integer number (78775522013035).

Almost surely, 2157551044026069 is an apocalyptic number.

It is an amenable number.

157551044026069 is a deficient number, since it is larger than the sum of its proper divisors (1).

157551044026069 is an equidigital number, since it uses as much as digits as its factorization.

157551044026069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 157551044026069 in words is "one hundred fifty-seven trillion, five hundred fifty-one billion, forty-four million, twenty-six thousand, sixty-nine".