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1400120441430 = 2353110931377407
BaseRepresentation
bin10100010111111101101…
…011100111101001010110
311221211221210121212001120
4110113331223213221112
5140414421313111210
62551112332104410
7203104201250154
oct24277553475126
94854853555046
101400120441430
1149a873540767
121a7429605106
13a20528569a9
144baa25dc3d4
1526648a01270
hex145fdae7a56

1400120441430 has 64 divisors (see below), whose sum is σ = 3471861547008. Its totient is φ = 360990564480.

The previous prime is 1400120441429. The next prime is 1400120441441. The reversal of 1400120441430 is 341440210041.

It is a self number, because there is not a number n which added to its sum of digits gives 1400120441430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327787 + ... + 1705193.

It is an arithmetic number, because the mean of its divisors is an integer number (54247836672).

Almost surely, 21400120441430 is an apocalyptic number.

1400120441430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400120441430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735930773504).

1400120441430 is an abundant number, since it is smaller than the sum of its proper divisors (2071741105578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400120441430 is a wasteful number, since it uses less digits than its factorization.

1400120441430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378541.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1400120441430 its reverse (341440210041), we get a palindrome (1741560651471).

The spelling of 1400120441430 in words is "one trillion, four hundred billion, one hundred twenty million, four hundred forty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 1093 2186 3279 5465 6558 10930 16395 32790 33883 67766 101649 169415 203298 338830 508245 1016490 1377407 2754814 4132221 6887035 8264442 13774070 20661105 41322210 42699617 85399234 128098851 213498085 256197702 426996170 640494255 1280988510 1505505851 3011011702 4516517553 7527529255 9033035106 15055058510 22582587765 45165175530 46670681381 93341362762 140012044143 233353406905 280024088286 466706813810 700060220715 1400120441430