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1213970004 = 223413491587
BaseRepresentation
bin100100001011011…
…1011011001010100
310010121022001210000
41020112323121110
54441234020004
6320243331300
742040401102
oct11026733124
93117261700
101213970004
115732886a5
1229a680b30
13164676060
14b7328c72
1571899c39
hex485bb654

1213970004 has 120 divisors (see below), whose sum is σ = 3430471968. Its totient is φ = 372133440.

The previous prime is 1213969987. The next prime is 1213970027. The reversal of 1213970004 is 4000793121.

It is a super-2 number, since 2×12139700042 = 2947446341223520032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1213970004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2067799 + ... + 2068385.

Almost surely, 21213970004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213970004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715235984).

1213970004 is an abundant number, since it is smaller than the sum of its proper divisors (2216501964).

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

1213970004 is a wasteful number, since it uses less digits than its factorization.

1213970004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1213970004 is about 34842.0723264274. The cubic root of 1213970004 is about 1066.7663763995.

The spelling of 1213970004 in words is "one billion, two hundred thirteen million, nine hundred seventy thousand, four".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 234 324 351 468 491 587 702 982 1053 1174 1404 1473 1761 1964 2106 2348 2946 3522 4212 4419 5283 5892 6383 7044 7631 8838 10566 12766 13257 15262 15849 17676 19149 21132 22893 25532 26514 30524 31698 38298 39771 45786 47547 53028 57447 63396 68679 76596 79542 91572 95094 114894 137358 159084 172341 190188 206037 229788 274716 288217 344682 412074 517023 576434 618111 689364 824148 864651 1034046 1152868 1236222 1729302 2068092 2472444 2593953 3458604 3746821 5187906 7493642 7781859 10375812 11240463 14987284 15563718 22480926 23345577 31127436 33721389 44961852 46691154 67442778 93382308 101164167 134885556 202328334 303492501 404656668 606985002 1213970004