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70557388340 = 2253527869417
BaseRepresentation
bin100000110110110001…
…1000100111000110100
320202010021011200221012
41001231203010320310
52124000142411330
652225201411352
75045322622355
oct1015543047064
9222107150835
1070557388340
1127a1789619a
1211811639b58
136865a73a3a
1435b4a69d2c
151c7e512c95
hex106d8c4e34

70557388340 has 12 divisors (see below), whose sum is σ = 148170515556. Its totient is φ = 28222955328.

The previous prime is 70557388289. The next prime is 70557388373. The reversal of 70557388340 is 4388375507.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48388560676 + 22168827664 = 219974^2 + 148892^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763934689 + ... + 1763934728.

It is an arithmetic number, because the mean of its divisors is an integer number (12347542963).

Almost surely, 270557388340 is an apocalyptic number.

It is an amenable number.

70557388340 is an abundant number, since it is smaller than the sum of its proper divisors (77613127216).

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

70557388340 is a wasteful number, since it uses less digits than its factorization.

70557388340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527869426 (or 3527869424 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 70557388340 in words is "seventy billion, five hundred fifty-seven million, three hundred eighty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 3527869417 7055738834 14111477668 17639347085 35278694170 70557388340