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1206610553020 = 2251927531153393
BaseRepresentation
bin10001100011101111100…
…101111110100010111100
311021100110202121222221111
4101203233211332202330
5124232114300144040
62322150443411404
7153113635322245
oct21435745764274
94240422558844
101206610553020
114257a2223454
12175a23523b64
1389a24005842
1442586469ccc
15215c0227dea
hex118ef97e8bc

1206610553020 has 48 divisors (see below), whose sum is σ = 2668215543840. Its totient is φ = 457075408896.

The previous prime is 1206610553017. The next prime is 1206610553023. The reversal of 1206610553020 is 203550166021.

It is an interprime number because it is at equal distance from previous prime (1206610553017) and next prime (1206610553023).

It is a super-2 number, since 2×12066105530202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206610553023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469444 + ... + 1622836.

It is an arithmetic number, because the mean of its divisors is an integer number (55587823830).

Almost surely, 21206610553020 is an apocalyptic number.

1206610553020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206610553020 is an abundant number, since it is smaller than the sum of its proper divisors (1461604990820).

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

1206610553020 is a wasteful number, since it uses less digits than its factorization.

1206610553020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156174 (or 1156172 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 1206610553020 in words is "one trillion, two hundred six billion, six hundred ten million, five hundred fifty-three thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 2753 5506 11012 13765 27530 52307 55060 104614 209228 261535 523070 1046140 1153393 2306786 4613572 5766965 11533930 21914467 23067860 43828934 87657868 109572335 219144670 438289340 3175290929 6350581858 12701163716 15876454645 31752909290 60330527651 63505818580 120661055302 241322110604 301652638255 603305276510 1206610553020