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3968496015 = 3511234383293
BaseRepresentation
bin1110110010001010…
…0111000110001111
3101020120102111002220
43230202213012033
531111413333030
61453442350423
7200225442141
oct35442470617
911216374086
103968496015
111757126880
1292905b413
134b3240cc3
142990b2c91
15183600a10
hexec8a718f

3968496015 has 128 divisors (see below), whose sum is σ = 7510745088. Its totient is φ = 1769940480.

The previous prime is 3968496001. The next prime is 3968496019. The reversal of 3968496015 is 5106948693.

It is a Cunningham number, because it is equal to 629962-1.

It is not a de Polignac number, because 3968496015 - 27 = 3968495887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968496019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13544209 + ... + 13544501.

It is an arithmetic number, because the mean of its divisors is an integer number (58677696).

Almost surely, 23968496015 is an apocalyptic number.

3968496015 is a deficient number, since it is larger than the sum of its proper divisors (3542249073).

3968496015 is a wasteful number, since it uses less digits than its factorization.

3968496015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 3968496015 is about 62995.9999920630. Note that the first 5 decimals coincide. The cubic root of 3968496015 is about 1583.2226079787. Note that the first 3 decimals are identical.

The spelling of 3968496015 in words is "three billion, nine hundred sixty-eight million, four hundred ninety-six thousand, fifteen".

Divisors: 1 3 5 11 15 23 33 43 55 69 83 115 129 165 215 249 253 293 345 415 473 645 759 879 913 989 1245 1265 1419 1465 1909 2365 2739 2967 3223 3569 3795 4395 4565 4945 5727 6739 7095 9545 9669 10707 10879 12599 13695 14835 16115 17845 20217 20999 24319 28635 32637 33695 37797 39259 48345 53535 54395 62995 62997 72957 74129 82087 101085 104995 117777 121595 138589 163185 188985 196295 222387 246261 267509 289777 314985 364785 370645 410435 415767 559337 588885 692945 802527 869331 902957 1045717 1111935 1231305 1337545 1448885 1678011 2078835 2708871 2796685 3137151 3187547 4012635 4346655 4514785 5228585 6152707 8390055 9562641 11502887 13544355 15685755 15937735 18458121 24051491 30763535 34508661 47813205 57514435 72154473 92290605 120257455 172543305 264566401 360772365 793699203 1322832005 3968496015