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38500189000 = 23537131741607
BaseRepresentation
bin100011110110110010…
…100100001101001000
310200101010220020120221
4203312302210031020
51112322022022000
625404200355424
72532033130660
oct436662441510
9120333806527
1038500189000
1115367397919
127565775b74
133827428330
141c133171a0
151004ec861a
hex8f6ca4348

38500189000 has 512 divisors, whose sum is σ = 120464547840. Its totient is φ = 11169792000.

The previous prime is 38500188973. The next prime is 38500189027. The reversal of 38500189000 is 98100583.

It is an interprime number because it is at equal distance from previous prime (38500188973) and next prime (38500189027).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 63426697 + ... + 63427303.

It is an arithmetic number, because the mean of its divisors is an integer number (235282320).

Almost surely, 238500189000 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 38500189000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60232273920).

38500189000 is an abundant number, since it is smaller than the sum of its proper divisors (81964358840).

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

38500189000 is a wasteful number, since it uses less digits than its factorization.

38500189000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

Adding to 38500189000 its reverse (98100583), we get a palindrome (38598289583).

The spelling of 38500189000 in words is "thirty-eight billion, five hundred million, one hundred eighty-nine thousand".