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1401123431001 = 371729719771951
BaseRepresentation
bin10100011000111001011…
…101101110001001011001
311221221112200221000002110
4110120321131232021121
5140424000044243001
62551400041422533
7203141100442050
oct24307135561131
94857480830073
101401123431001
114a0238716668
121a766949aa49
13a218259c848
144bb598c7397
15266a6ac33d6
hex1463976e259

1401123431001 has 128 divisors (see below), whose sum is σ = 2375171112960. Its totient is φ = 716212224000.

The previous prime is 1401123430951. The next prime is 1401123431027. The reversal of 1401123431001 is 1001343211041.

It is not a de Polignac number, because 1401123431001 - 214 = 1401123414617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1401123431401) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 718155576 + ... + 718157526.

It is an arithmetic number, because the mean of its divisors is an integer number (18556024320).

Almost surely, 21401123431001 is an apocalyptic number.

It is an amenable number.

1401123431001 is a deficient number, since it is larger than the sum of its proper divisors (974047681959).

1401123431001 is a wasteful number, since it uses less digits than its factorization.

1401123431001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1401123431001 its reverse (1001343211041), we get a palindrome (2402466642042).

The spelling of 1401123431001 in words is "one trillion, four hundred one billion, one hundred twenty-three million, four hundred thirty-one thousand, one".

Divisors: 1 3 7 17 21 29 51 71 87 119 203 213 357 493 497 609 977 1207 1479 1491 1951 2059 2931 3451 3621 5853 6177 6839 8449 10353 13657 14413 16609 20517 25347 28333 33167 35003 40971 43239 49827 56579 69367 84999 99501 105009 116263 138521 169737 198331 208101 232169 245021 348789 396053 415563 481661 485569 594993 696507 735063 961843 969647 1179239 1188159 1444983 1456707 1906127 2011643 2354857 2885529 2908941 3371627 3537717 4017109 5718381 6034929 6732901 7064571 8254673 10114881 12051327 13342889 14081501 16483999 20198703 24764019 28119763 32404159 34197931 40028667 42244503 49451997 55277683 68290853 84359289 97212477 102593793 135335017 165833049 204872559 226829113 239385517 386943781 406005051 478035971 680487339 718156551 939720611 947345119 1160831343 1434107913 2300695289 2819161833 2842035357 3924715493 6578044277 6902085867 11774146479 16104867023 19734132831 27473008451 48314601069 66720163381 82419025353 200160490143 467041143667 1401123431001