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1972440675502 = 211372713893161
BaseRepresentation
bin11100101100111110101…
…000000011010010101110
320222120012210010002221221
4130230332220003102232
5224304024303104002
64110043213013554
7262334630053153
oct34547650032256
96876183102857
101972440675502
116a0564381450
1227a3324842ba
13114000a2a07b
146b67665222a
15364937b1c37
hex1cb3ea034ae

1972440675502 has 32 divisors (see below), whose sum is σ = 3316089001824. Its totient is φ = 872009971200.

The previous prime is 1972440675433. The next prime is 1972440675563. The reversal of 1972440675502 is 2055760442791.

It is a self number, because there is not a number n which added to its sum of digits gives 1972440675502.

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, 1761802 + ... + 2654962.

It is an arithmetic number, because the mean of its divisors is an integer number (103627781307).

Almost surely, 21972440675502 is an apocalyptic number.

1972440675502 is a deficient number, since it is larger than the sum of its proper divisors (1343648326322).

1972440675502 is a wasteful number, since it uses less digits than its factorization.

1972440675502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895924.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 1972440675502 in words is "one trillion, nine hundred seventy-two billion, four hundred forty million, six hundred seventy-five thousand, five hundred two".

Divisors: 1 2 11 22 37 74 407 814 2713 5426 29843 59686 100381 200762 893161 1104191 1786322 2208382 9824771 19649542 33046957 66093914 363516527 727033054 2423145793 4846291586 26654603723 53309207446 89656394341 179312788682 986220337751 1972440675502