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1490190273628 = 2273161118123831
BaseRepresentation
bin10101101011110110010…
…000110000110001011100
312021110102220220101221121
4111223312100300301130
5143403402202224003
63100330045140324
7212443206221140
oct25536620606134
95243386811847
101490190273628
11524a93618811
1220098585a6a4
13aa6a7c892a4
14521a88b7220
1528b6b073cbd
hex15af6430c5c

1490190273628 has 96 divisors (see below), whose sum is σ = 3129735684096. Its totient is φ = 607379040000.

The previous prime is 1490190273623. The next prime is 1490190273641. The reversal of 1490190273628 is 8263720910941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490190273623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62519673 + ... + 62543503.

It is an arithmetic number, because the mean of its divisors is an integer number (32601413376).

Almost surely, 21490190273628 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 1490190273628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564867842048).

1490190273628 is an abundant number, since it is smaller than the sum of its proper divisors (1639545410468).

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

1490190273628 is a wasteful number, since it uses less digits than its factorization.

1490190273628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25115 (or 25113 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 1490190273628 in words is "one trillion, four hundred ninety billion, one hundred ninety million, two hundred seventy-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 14 28 31 61 62 122 124 217 244 427 434 854 868 1181 1708 1891 2362 3782 4724 7564 8267 13237 16534 23831 26474 33068 36611 47662 52948 72041 73222 95324 144082 146444 166817 256277 288164 333634 504287 512554 667268 738761 1008574 1025108 1453691 1477522 2017148 2233271 2907382 2955044 4466542 5171327 5814764 8933084 10175837 10342654 15632897 20351674 20685308 28144411 31265794 40703348 45064421 56288822 62531588 90128842 112577644 180257684 197010877 315450947 394021754 630901894 788043508 872476741 1261803788 1716809071 1744953482 3433618142 3489906964 6107337187 6867236284 12017663497 12214674374 24035326994 24429348748 48070653988 53221081201 106442162402 212884324804 372547568407 745095136814 1490190273628